ph sensitive hydrogel

We report synthesis, characterization, and drug release attributes of a series of novel pH-sensitive poly(acrylic-co-vinylsulfonic) acid hydrogels. These hydrogels were prepared by employing free radical polymerization using ethylene glycol dimethacrylate (EGDMA) and benzyl peroxide (BPO) as cross-linker and initiator, respectively. Effect of acrylic acid (AA), polyvinylsulfonic acid (PVSA), an...

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the adsorption of polyacrylamide nanocomposite hydrogels on sandstone

Journal: :journal of oil, gas and petrochemical technology 2015

samira rajaee mohsen vafaie sefti asefe mousavi moghadam mahsa baghban salehi hasan naderi

a key parameter for the application of polymer gels in water shut off treatment is the adsorption of polymer gel onto the rock surface. so, the adsorption properties of a nanocomposite hydrogel were discussed in this research by crosslinking of sulfonated polyacrylamide/sodium montmorillonite aqueous solutions with chromium triacetate. the x-ray diffraction patterns indicated that exfoliated ty...

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The Adsorption of Polyacrylamide Nanocomposite Hydrogels on Sandstone

Journal: Journal of Oil, Gas and Petrochemical Technology 2015

Asefe Mousavi Moghadam, Hasan Naderi, Mahsa Baghban Salehi, Mohsen Vafaie Sefti, Samira Rajaee,

A key parameter for the application of polymer gels in water shut off treatment is the adsorption of polymer gel onto the rock surface. So, the adsorption properties of a nanocomposite hydrogel were discussed in this research by crosslinking of sulfonated polyacrylamide/sodium montmorillonite aqueous solutions with chromium triacetate. The X-ray diffraction patterns indicated that exfoliated ty...

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